From 51d4adf6c8fe74e6b95083019187f7b644db9dc8 Mon Sep 17 00:00:00 2001
From: DontEatOreo <57304299+DontEatOreo@users.noreply.github.com>
Date: Sat, 5 Jul 2025 21:32:54 +0300
Subject: [PATCH 1/2] arc-browser: use `xmlstartlet` for
 `passthru.updateScript`

---
 pkgs/by-name/ar/arc-browser/package.nix | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/pkgs/by-name/ar/arc-browser/package.nix b/pkgs/by-name/ar/arc-browser/package.nix
index ebe4fc34719f..e365130286dd 100644
--- a/pkgs/by-name/ar/arc-browser/package.nix
+++ b/pkgs/by-name/ar/arc-browser/package.nix
@@ -6,6 +6,7 @@
   writeShellApplication,
   curl,
   common-updater-scripts,
+  xmlstarlet,
 }:
 
 stdenvNoCC.mkDerivation (finalAttrs: {
@@ -37,14 +38,16 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     runtimeInputs = [
       curl
       common-updater-scripts
+      xmlstarlet
     ];
     text = ''
-      redirect_url="$(curl -s -L -f "https://releases.arc.net/release/Arc-latest.dmg" -o /dev/null -w '%{url_effective}')"
-      # The url scheme is: https://releases.arc.net/release/Arc-1.23.4-56789.dmg
-      # We strip everything before 'Arc-' and after '.dmg'
-      version="''${redirect_url##*/Arc-}"
-      version="''${version%.dmg}"
-      update-source-version arc-browser "$version" --file=./pkgs/by-name/ar/arc-browser/package.nix
+      latest_version_string="$(curl -s "https://releases.arc.net/updates.xml" | xmlstarlet sel -N sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" -t -v "//item[1]/sparkle:shortVersionString" -n)"
+      version_part="''${latest_version_string%% (*}"
+      build_part="''${latest_version_string##*\(}"
+      build_part="''${build_part%\)*}"
+      version="''${version_part}-''${build_part}"
+
+      update-source-version arc-browser "$version"
     '';
   });
 

From 130702106cce63cc3df555fb47904cf3aa071069 Mon Sep 17 00:00:00 2001
From: DontEatOreo <57304299+DontEatOreo@users.noreply.github.com>
Date: Sat, 5 Jul 2025 21:37:56 +0300
Subject: [PATCH 2/2] arc-browser: 1.101.0-64746 -> 1.106.0-66192

---
 pkgs/by-name/ar/arc-browser/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/ar/arc-browser/package.nix b/pkgs/by-name/ar/arc-browser/package.nix
index e365130286dd..81aed72728b6 100644
--- a/pkgs/by-name/ar/arc-browser/package.nix
+++ b/pkgs/by-name/ar/arc-browser/package.nix
@@ -11,11 +11,11 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "arc-browser";
-  version = "1.101.0-64746";
+  version = "1.106.0-66192";
 
   src = fetchurl {
     url = "https://releases.arc.net/release/Arc-${finalAttrs.version}.dmg";
-    hash = "sha256-u391hQB+Fqw21cu9GQglOkPHie+8uK8FTxSLWLAH0eA=";
+    hash = "sha256-AlM0wJ/2okrxw2ZpMPodlSVQaMMkBPf5iIN4bnMTaME=";
   };
 
   nativeBuildInputs = [ undmg ];